280ah 12v lifepo4 akku24v 200ah lithium ion batteryvictron lifepo4 batterygrowatt consumption meter 51.2V Batteryrobot de surveillance solaire double axegrowatt es compatible LiFePO4 Batteryakku 280ahlifepo4 testerflipkart inverterкаsun cycle 48v 18ah 1000w ebike lithium lifepo4 battery 40a bms charger rechargeable cyclelifepo4